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Finding the Fourth Proportional to 5,076.67, 7,007.07 and 4,064.42

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Solution

The fourth proportional to 5,076.67, 7,007.07 and 4,064.42 is: 5,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.67 : 7,007.07 = 4,064.42 : x
  2. Step 2: Convert to fraction form
    5,076.67/7,007.07 = 4,064.42/x
  3. Step 3: Cross multiply
    5,076.67x = 7,007.07 × 4,064.42
  4. Step 4: Simplify right side
    5,076.67x = 28,479,692.97
  5. Step 5: Solve for x
    x = 28,479,692.97/5,076.67
  6. Step 6: Final answer
    x = 5,609.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.